Home / 349,526.80-523,253.40-231,331.60

Finding the Fourth Proportional to 349,526.80, 523,253.40 and 231,331.60

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Solution

The fourth proportional to 349,526.80, 523,253.40 and 231,331.60 is: 346,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,526.80 : 523,253.40 = 231,331.60 : x
  2. Step 2: Convert to fraction form
    349,526.80/523,253.40 = 231,331.60/x
  3. Step 3: Cross multiply
    349,526.80x = 523,253.40 × 231,331.60
  4. Step 4: Simplify right side
    349,526.80x = 121,045,046,227.44
  5. Step 5: Solve for x
    x = 121,045,046,227.44/349,526.80
  6. Step 6: Final answer
    x = 346,311.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.